Patents by Inventor Emy Cheng

Emy Cheng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Additive formulation and method of use thereof
    Patent number: 6506573
    Abstract: An additive formulation comprising heparinase and trehalose, a method for using the formulation and a device containing the formulation. The additive formulation is useful in substantially neutralizing residual heparin from a blood sample when used in a blood collection tube without interfering with the clinical analysis of the blood sample.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: January 14, 2003
    Assignee: Becton Dickinson and Company
    Inventors: Antoinette F. Antignani, Emy Cheng, Jeffrey M. Evans, Nicholas A. Grippi, Bryan S. Wong
  • Additive formulation and method of use thereof
    Publication number: 20020192734
    Abstract: An additive formulation comprising heparinase and trehalose, a method for using the formulation and a device containing the formulation. The additive formulation is useful in substantially neutralizing residual heparin from a blood sample when used in a blood collection tube without interfering with the clinical analysis of the blood sample.
    Type: Application
    Filed: June 26, 2002
    Publication date: December 19, 2002
    Inventors: Antoinette F. Antignani, Emy Cheng, Jeffrey M. Evans, Nicholas A. Grippi
  • Additive formulation and method of use thereof
    Publication number: 20010001708
    Abstract: An additive formulation comprising heparinase and trehalose, a method for using the formulation and a device containing the formulation. The additive formulation is useful in substantially neutralizing residual heparin from a blood sample when used in a blood collection tube without interfering with the clinical analysis of the blood sample.
    Type: Application
    Filed: January 5, 2001
    Publication date: May 24, 2001
    Inventors: Antoinette F. Antignani, Emy Cheng, Jeffrey M. Evans, Nicholas A. Grippi, Bryan S. Wong
  • Method of using additive formulation and method for making a tube with an additive formulation
    Patent number: 6187553
    Abstract: An additive formulation comprising heparinase and trehalose, a method for using the formulation and a device containing the formulation. The additive formulation is useful in substantially neutralizing residual heparin from a blood sample when used in a blood collection tube without interfering with the clinical analysis of the blood sample.
    Type: Grant
    Filed: May 4, 1999
    Date of Patent: February 13, 2001
    Assignee: Becton Dickinson and Company
    Inventors: Antoinette F. Antignani, Emy Cheng, Jeffrey M. Evans, Nicholas A. Grippi, Bryan S. Wong